<template>
    <div class="login-container">
        <el-form
                ref="loginForm"
                :model="loginForm"
                :rules="loginRules"
                class="login-form"
                auto-complete="on"
                label-position="left"
        >
            <h3 class="title">
                vue-typescript-admin-template
            </h3>
            <el-form-item prop="username">
        <span class="svg-container">
          <svg-icon name="user"/>
        </span>
                <el-input
                        v-model="loginForm.username"
                        name="username"
                        type="text"
                        auto-complete="on"
                        placeholder="username"
                />
            </el-form-item>
            <el-form-item prop="password">
        <span class="svg-container">
          <svg-icon name="password"/>
        </span>
                <el-input
                        v-model="loginForm.password"
                        :type="pwdType"
                        name="password"
                        auto-complete="on"
                        placeholder="password"
                        @keyup.enter.native="handleLogin"
                />
                <span
                        class="show-pwd"
                        @click="showPwd"
                >
          <svg-icon :name="pwdType === 'password' ? 'eye-off' : 'eye-on'"/>
        </span>
            </el-form-item>
            <el-form-item>
                <el-button
                        :loading="loading"
                        type="primary"
                        style="width:100%;"
                        @click.native.prevent="handleLogin"
                >
                    Sign in
                </el-button>
            </el-form-item>
            <div class="tips">
                <span style="margin-right:20px;">username: admin</span>
                <span> password: admin</span>
            </div>
        </el-form>
    </div>
</template>

<script lang="ts">
    import {Component, Vue, Watch} from 'vue-property-decorator'
    import {Route} from 'vue-router'
    import {Form as ElForm} from 'element-ui'

    const validateUsername = (rule: any, value: string, callback: any) => {

    }
    const validatePass = (rule: any, value: string, callback: any) => {

    }

    @Component
    export default class Login extends Vue {
        private loginForm = {
            username: 'admin',
            password: 'admin'
        };
        private loginRules = {
            username: [{required: true, trigger: 'blur', validator: validateUsername}],
            password: [{required: true, trigger: 'blur', validator: validatePass}]
        };
        private loading = false;
        private pwdType = 'password';
        private redirect: string | undefined = undefined;

        @Watch('$route', {immediate: true})
        private OnRouteChange(route: Route) {
            // TODO: remove the "as string" hack after v4 release for vue-router
            // See https://github.com/vuejs/vue-router/pull/2050 for details
            this.redirect = route.query && route.query.redirect as string
        }

        private showPwd() {
            if (this.pwdType === 'password') {
                this.pwdType = ''
            } else {
                this.pwdType = 'password'
            }
        }

        private handleLogin() {
            (this.$refs.loginForm as ElForm).validate((valid: boolean) => {
                if (valid) {
                    this.loading = true

                } else {
                    return false
                }
            })
        }
    }
</script>

<style lang="scss">
    @import "src/styles/variables.scss";

    .login-container {
        .el-input {
            input {
                background: transparent;
                border: 0px;
                -webkit-appearance: none;
                color: $lightGray;

                &:-webkit-autofill {
                    box-shadow: 0 0 0px 1000px $loginBg inset !important;
                    -webkit-box-shadow: 0 0 0px 1000px $loginBg inset !important;
                    -webkit-text-fill-color: #fff !important;
                }
            }
        }
    }
</style>

<style lang="scss" scoped>
    @import "src/styles/variables.scss";

    .login-container {
        position: fixed;
        height: 100%;
        width: 100%;
        background-color: $loginBg;

        .login-form {
            position: absolute;
            left: 0;
            right: 0;
            width: 520px;
            max-width: 100%;
            padding: 35px 35px 15px 35px;
            margin: 120px auto;
        }

        .el-input {
            display: inline-block;
            width: 85%;
        }

        .el-form-item {
            border: 1px solid rgba(255, 255, 255, 0.1);
            background: rgba(0, 0, 0, 0.1);
            border-radius: 5px;
            color: #454545;
        }

        .tips {
            font-size: 14px;
            color: #fff;
            margin-bottom: 10px;

            span {
                &:first-of-type {
                    margin-right: 16px;
                }
            }
        }

        .svg-container {
            padding: 6px 5px 6px 15px;
            color: $darkGray;
            vertical-align: middle;
            width: 30px;
            display: inline-block;
        }

        .title {
            font-size: 26px;
            font-weight: 400;
            color: $lightGray;
            margin: 0px auto 40px auto;
            text-align: center;
            font-weight: bold;
        }

        .show-pwd {
            position: absolute;
            right: 10px;
            top: 7px;
            font-size: 16px;
            color: $darkGray;
            cursor: pointer;
            user-select: none;
        }
    }
</style>
